Tens of thousands of different kinds to select from to have your office Desk/chair sliding easily right and left, install the VXB0045075PUOB. And rolling on wheel that has 75mm diameter/2.953" inch. The wheel has a width of 40mm=1.575" inch. The caster dimensions heightwise is 195mm/7.677" inch. This wheel caster can be mounted using a Top Plate with the dimensions of 110mm x 100mm x 4mm fork:3.5mm and holes distance of 85mm x 75mm. Low drag was achieved by a Polyurethane and Polypropylene core on a Polyurethane and Polypropylene tire spinning freely with a ball bearing. Each caster will carry the load of 441 lb and is Swivel and Upper Brake type. The caster temperature range = -40 to 180 F. Buy our VXB0045075PUOB, we wish all the best.